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    鹭宫压力调整阀
    发布者:shzicong  发布时间:2013-08-27 16:00:26  访问次数:

    鹭宫 
    概要: 
    SPR型: 适用于防止冷冻装置过载运行,备有直动型. 
    DPR型: 用于冷藏及空调等压缩机吸入,排出的旁通通路. 
    检测压缩机排出压力的超负荷,通过旁通通路将其释放至低压侧,以便使压缩机不超负荷. 减少高压开关的开关频度以维护压缩机的运行. 
    在春季和秋季的热泵系统的暖气周期中,或当过滤器因异物而阻塞时,该调整阀更能显示其优点.   
    通用规格: 
       项目                          直动型     
    最高使用压力                2.5MPa 
    气密试验压力                3MPa
    流体温度                      ~100℃
    压力调节                      ∩增加    1604~05: 约0.08MPa/转  
                                      1905~07: 约0.05MPa/转    
                                      3011~13: 约0.03MPa/转 
    手动打开机构                -                     
    技术参数:(单位:MPa) 
    SPR型
                                               冷吨 CT38℃ △P0.049MPa  ET-10℃              接头               最高工作压力    重量 kg
    型号           口径 mm             阀开40%   阀开70%    阀开70%              铜管       形状                                         
                                                R22          R134a       R404A
    SPR-1604B     15                    1.25           0.9            1.1                   1/2"      喇叭管           2.45             0.3 
    SPR-1605B     15                    1.25           0.9            1.1                   5/8"      喇叭管           2.45             0.3 
    SPR-1905B     20                    3.0             1.8            2.5                   5/8"      喇叭管           2.45             0.5 
    SPR-1906B     20                    3.0             1.8            2.5                   3/4"      喇叭管           2.45             0.5
    SPR-1604D     15                    1.4             0.9            1.1                   1/2"      铜管接头        2.45             0.2
    SPR-1605D     15                    1.4             0.9            1.1                   5/8"      铜管接头        2.45             0.2
    SPR-1905D     20                    3.0             1.8            2.5                   5/8"      铜管接头        2.45             0.4
    SPR-1906D     20                    3.0             1.8            2.5                   3/4"      铜管接头        2.45             0.4
    SPR-1907D     20                    3.0             1.8            2.5                   7/8"      铜管接头        2.45             0.4
    SPR-3011D     29                    5.0             2.7            4.5                   1 1/8"   铜管接头        2.45             1.3
    SPR-3013D     29                    5.0             2.7            4.5                   1 3/8"   铜管接头        2.45             1.3
    DPR型
    型号             口径 mm         工厂调整范围 MPa       接头 mm              最高工作压力            重量Kg
                                                                        铜管      形状                                              
    DPR-343D     3.4                   1.66-2.45            7.94    铜管接头              2.84                    0.11
    注: 液体为氟冷媒
    SPR阀的安装 
        安装于压缩机与蒸发器之间,使出口侧的压力(吸入压力)保持在设定值以下,在负荷急剧增加时,可用于防止因吸入压力上升而引起马达过载.也可象低温装置那样,在压缩机吸入压力低时,将液控阀的入口与高压侧的吐出管连接,由放出气体而使装置工作(液控动作型)
    型号                           L   mm                        H   mm                        h   mm
    SPR-1604B                     45                              82                               91
    SPR-1605B                     53                              82                               94
    SPR-1905B                     56                              109                             100
    SPR-1906B                     60                              109                             105
    SPR-1604D                     71                              82                               78
    SPR-1605D                     71                              82                               78
    SPR-1905D                     100                            109                             120
    SPR-1906D                     100                            109                             120
    SPR-1907D                     100                            109                             120 
    SPR-3011D                     140                            147                             170
    SPR-3013D                     140                            147                             170             

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